﻿using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using INDEX = System.UInt64;

namespace Library.Linq
{
    public interface IWhere<T>
    {
        [Pure]
        IEnumerable<T> Where(Func<T, bool> functor);
        [Pure]
        IEnumerable<T> Where(Func<T, INDEX, bool> functor);
    }
}
